J. F. Penn

When psychologist and religious expert Dr. Morgan Sierra's sister and niece are kidnapped, she's thrust into a deadly race against time to find twelve ancient stones that could unleash unimaginable power.

A place written out of history. A world off the edge of the map. In this fantasy adventure trilogy, Sienna and the Mapwalker team must defend Earthside from the invasion of the Borderlanders and face their darkest challenge against the Shadow....

When the mutilated corpse of a wealthy author is discovered, the police officer sent to investigate finds a curious diary amongst the occult objects at the scene. Will he uncover the author's secret at the ruined chapel? Plus two more short stories....

Do you enjoy travel memoirs with a combination of personal reflection and practical tips? Are you interested in solo walking, or are you considering walking the Camino de Santiago or other multi-day walks? If yes, Pilgrimage is for you. In mid-2020, I was not okay—and I didn't know how to find...

A relic, stolen from the heart of an ancient city. An echo of nationalist violence not seen since the dark days of the Second World War. Budapest, Hungary. When a priest is murdered at the Basilica of St Stephen and the Holy Right relic is stolen, the ultra-nationalist Eröszak party calls for...

Evil stalks the city of London at night. Can Detective Jamie Brooke and reluctant psychic Blake Daniel stop the murders before it's too late....

It is the seat of judgment. The pinnacle of holiness. It is the Ark of the Covenant… and it’s the most dangerous weapon in existence. A group of fanatics wearing masks of Egypt’s gods slaughter the curator of Cairo’s most famous museum.

Unearth the past. Awaken the future. When archaeologist Dr. Emilia Kaya uncovers a massive sarcophagus containing the remains of a mysterious winged creature, she sets in motion a chain of events that could lead to the resurrection of the Nephilim—the fearsome giants of biblical legend...

A street cleaner walks into the middle of Trafalgar Square and blows himself up. No mere act of terrorism. The explosion rips open a crater to reveal the underground headquarters of ARKANE — the ultra-secret British agency tasked with investigating the supernatural.

Kadmon wants to open the portal between our world and Hell, to create a twisted, demonic version of our world over which he will reign supreme. Now, Morgan and her partner — Jake Timber, the enigmatic agent who recruited her for ARKANE — are on the run.

Some secrets should stay buried. When renowned architect Arania Webb returns to Bristol Zoo—once her childhood sanctuary but now a derelict ruin—she discovers her late father’s hidden underground lab, which harbors a dark obsession. Inside, she uncovers his journals documenting twisted...

On the winter solstice, an ancient evil demands its due in the heart of Bath. When down-on-his-luck busker Evan takes to the streets of Bath during the Christmas market, he hopes his music will earn him enough for a warm meal and bed for the night. But after a violent robbery leaves him broken...

They were once the most bloodthirsty warriors alive. They will be again. She has been called many things: murderer, madwoman, monster. She will become only one thing: a god. The Crone. A woman of legend, a creature of blood. A Valkyrie. She has tortured, murdered, maimed—performing all the...

Any wish can be granted: money, power…even death itself can be beaten back. All it takes is the blood of an angel. When a woman is crucified and burned alive in the center of New York City, Jake Timber is already on his way. Tasked with locating an extremist group interested in a recently...

How far would you go to see again? Conflict photographer, Sara Miles, loves being embedded with the military out in the desert. Her pictures pay tribute to those who fight, suffer, and die for freedom and the images she captures can turn public perception in the never-ending war. Her photography...

When ARKANE archivist Martin Klein joins the Vatican digital archiving project, he finds an ancient letter mistakenly scanned along with the medieval papal decree Militia Dei, Soldiers of God. It points to a dark secret the Knights Templar once tried to erase from existence, hidden in a medieval...

Is victory worth blood, sweat, and flame? Cass blows glass for a living. But when she's not cranking out tourist pieces to pay the bills, she creates unique glass art with the dream of winning a prestigious award that might just change her life. But Cass has a problem. The heat and intensity...

When a priceless relic disappears from Canterbury Cathedral, ARKANE - the agency tasked with protecting the world from supernatural adversaries - fears the worst…and sends its best. Now, ARKANE agents Morgan Sierra and Jake Timber are on the job....

An ancient manuscript that leads to the Garden of Eden. A seed that can restore the world to nature...but only by destroying humanity in its wake. When a fragment of an ancient manuscript is stolen from a Jewish library in Amsterdam, ARKANE agents Morgan Sierra and Jake Timber discover a...

A journey through the realm of the dead. A threat that will change the world. A choice that might save everything - or end it all. As natural disasters sweep Earthside, a mutant army rises in the Borderlands, driven by the dark force behind the Shadow Cartographers. Sienna and the Mapwalker...